Ե

ӴԵٷվ!
Ե

һΪ ݼинǿ

ˣadminʱ䣺2021-07-08Ķ288293ֺţ С Ĭ? Ŵ?

ݼиߴԵܽӹװ֮һ ļӹЧ ҵҪõ 졢ӽӹȵݼинǿ һ̨ݼиͿΪûḻ


ݼииѸٿ ̼Ϊ 1000߹˼и 10mmµ̼ ֺ̼С2mmʱ ÿи߿ɴ8 ֺ̼Ϊ6mmʱ иԼΪÿ1.6 ֺ̼Ϊ10mmʱ иԼΪÿ0.6ס0.7


ԵMGϷ(й)ٷվ


߼ϵݼииʸdzɱʱװȹ иȸڵijҶԸ⹺߼ϵװһǰи һǺӹԽԽ ǰõװ


иļӹʿ֮ ڹҲ ݼиֱӶӽ𹤼ģ ʡȥ˿ģ ӹӦʸ ͬʱ ûģ 滻ģ ܹʡȥģߵʹ Լӹö Ǯ ʺϴƷļӹ֮һ ݼинǿ


?
Եѯ
ҷ
ҷ
վͼsitemap